未曾

wǒ wèi céng xiū xi guò yī tiān

我未曾休息过一天。

I have not had even one day off.

zhè jù huà wǒ wèi céng shuō guo

这句话我未曾说过。

I've never said that before.

tā de rì jì zài tā shēng qián wèi céng fā biǎo

他的日记在他生前未曾发表。

His diary was not published during his lifetime.

zhè shì lì shǐ shang wèi céng chū xiàn guo de qí jì

这是历史上未曾出现过的奇迹。

This is a miracle unprecedented in history.

wèi céng tīng shuō

未曾听说

never heard of it

wèi céng móu miàn

未曾谋面

have never seen each other before

wèi céng yǒu guò de fā zhǎn

未曾有过的发展

an unprecedented development

tā wèi céng guò lai

他未曾过来。

He's never come here before.

tā yīn wèi céng chéng rèn de móu shā ér shòu dào chéng fá

他因未曾承认的谋杀而受到惩罚。

He was punished for a murder he did not commit.

tā jì xù gàn sì hū shén me dōu wèi céng fā shēng guo

她继续干，似乎什么都未曾发生过。

She carried on as if nothing had happened.